Mao Sugiyama, a self-described "asexual" from Tokyo, cooked up, seasoned and served his own genitalia to five diners at a swanky banquet in Japan last month, Calorie Lab reported.

Sugiyama sparked a firestorm of interest on April 8 with one tweet:

"[Please retweet] I am offering my male genitals (full penis, testes, scrotum) as a meal for 100,000 yen ***8230;Will prepare and cook as the buyer requests, at their chosen location."

Just days after Sugiyama's 22nd birthday, the artist underwent elective genital-removal surgery, divvied up the severed penis shaft and testicles between five people, and garnished it with mushrooms and Italian parsley.

On April 13, five of six diners who signed up for the feast, sat down to dinner. The sixth person was a no-show.

The extra diners were served crocodile genitals while Sugiyama cooked up the exclusive meal.

The story went viral in Japan. Some showed interest, while others complained. Japanese authorities deemed the banquet legal because there is no law against cannibalism in the country.